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PTM40
Measurement value
:
pH -2.00...16.00; -2000...2000 mV; Temperature: -10.0...100.0 °C; ISE 0...30000 ppm
Resolution
:
0.01 pH; 1 mV; 1 ppm; 0.1 °C
Temp. compensation
:
automatic with Pt 1000 or fixed temperature
Accuracy
:
pH ± 0.01 (± 2 pH units around the calibration point), U [mV] ± 0.3; T [°C] ± 0.1
(0…100 °C)
Connections
:
BNC, 2x banana plug (4 mm), 4-pin interface USB port
Calibration
:
Direct input (rise, asymmetry)
Temperature offset
Two-point / Three-point
Automatic (Two-point / Three-point)
The PTM40 offers the following buffer sets for automatic calibration:
NBS standard buffering solution as per DIN 19266: pH value at 25 °C
1.68 / 4.01 / 6.86 / 9.18 / 12.45
Technical buffering solution as per DIN 19267:
pH value at 25 °C
1.09 / 3.06 / 4.65 / 6.79 / 9.23
Merck buffering solution:
pH value at 20 °C
4.00 / 7.00 / 9.00
Mettler Toledo buffering solution:
pH value at 25 °C
1.679 / 4.003 / 7.002 / 10.013
PLF40
Measurement value
:
0...200.0 µS/cm; 0...2000 µS/cm; 0...20.00 mS/cm; 0...500.0 mS/cm;
0...20 µS/cm ZK 0,1; 0...20 µS/cm ZK 0,01; 0...200 µS/cm ZK 0,1;
automatic measuring range switching
TDS
:
0...200 mg/l; 0...2000 mg/l; 0...20 g/l; 0...500 g/l
Salinität
:
0...70 g/kg; Temperature: -10.0...100.0 °C
Resolution
:
0.1 µS; 1 µS; 0.01 mS; 0.1 mS; 0.1 °C
Temp. compensation
:
automatic with NTC or fixed temperature
Accuracy
:
±1 digit, ± 0.5 % of measuring range, T [°C] ± 0.1 (5…50 °C)
Connections
:
8-pin flange plug, 4-pin interface USB port
Calibration
:
Direct input (cell constant, temperature compensation, cable offset, TDS factor)
Temperature offset
One-point
Automatic
Warning and safety information
1.4
The meter PTM40/PLF40 has the protection class III.
It was manufactured and tested according to DIN EN 61 010, Part 1, „
Protective Measures for electronic
measurement devices and control devices
” and has left the factory in an impeccable condition as concerns
safety technology. In order to maintain this condition and to ensure safe operation, the user should observe the
notes and warning information contained in the present operating instructions. Development and production is
done within a system which meets the requirements laid down in the DIN EN ISO 9001 standard.
For reasons of safety, the meter PTM40/PLF40 and the power supply (VER05US050-JA) must be opened
by authorised persons only; this means, for instance, that work on electrical equipment must only be performed
by qualified specialists.
In the case of nonobservance of these provisions the titrator and the power
supply may constitute a danger: electrical accidents of persons or fire hazard!
Moreover, in the case of
unauthorised intervention in the titrator or the power supply, as well as in the case of negligently or deliberately
caused damage, the warranty will become void.
Prior to switching the device on it has to be ensured that the operating voltage matches the mains voltage.
The operating voltage is indicated on the power supply.
Nonobservance of this provision may result in
damage to the titrator and the power supply, or in personal injury or damage to property!
